I just purchased a Canon EOS 30D body and a Sigma 17-70 mm lens. In the past I have done a lot of shooting at Indy in the pits with my old Pentax SFN1n with a 70-200 macro-zoom lens as well as for other long distance outdoor shots out west on trips, etc. After using the Sima lens this week I feel a little handcuffed as I cannot take the distance shots and miss the ability to do so in my back yard on the lake.
My buddy in Honolulu sent me an e-mail and mentioned the "1.5 x magnification effect " and that I should be aware of this when purchasing lens for my new Canon. Can someone better explain this phenomenon and also give me some basics or pointers on purchasing a nice macro zoom lens for my new Canon? Is there a difference in "manufacturer zoom lens quality" and is a Sigma 28-300 mm overkill lens wise?
I may possibly use it for some track shots again one day but am looking for anyone out there who can give me some advice on a good all around lens for track, nature, mountains, scenery, etc. I guess I can use the 17-70 mm for any portrait type shots I take and live with that lens for any close in shooting.
What say you? :idea: